TY  - BOOK
AU  - 
TI  - Our soils and their management: increasing production through environmental soil and water conservation 
AV  - S599 D51
PY  - 1976///
CY  -  Danville : 
PB  - Interstate Printers & Publishers
KW  -  
KW  - Including soil surveys, soil chemistry, soil structure,
KW  - soil-plant relationships
ER  -